159904008

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2123

約数の個数: 96

約数和(自身を含む): 477360000

約数和(自身を除く): 317455992

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 101, 132, 198, 202, 264, 303, 396, 404, 606, 792, 808, 909, 1111, 1212, 1818, 1999, 2222, 2424, 3333, 3636, 3998, 4444, 5997, 6666, 7272, 7996, 8888, 9999, 11994, 13332, 15992, 17991, 19998, 21989, 23988, 26664, 35982, 39996, 43978, 47976, 65967, 71964, 79992, 87956, 131934, 143928, 175912, 197901, 201899, 263868, 395802, 403798, 527736, 605697, 791604, 807596, 1211394, 1583208, 1615192, 1817091, 2220889, 2422788, 3634182, 4441778, 4845576, 6662667, 7268364, 8883556, 13325334, 14536728, 17767112, 19988001, 26650668, 39976002, 53301336, 79952004, 159904008]

約数ペア:

[(1, 159904008), (2, 79952004), (3, 53301336), (4, 39976002), (6, 26650668), (8, 19988001), (9, 17767112), (11, 14536728), (12, 13325334), (18, 8883556), (22, 7268364), (24, 6662667), (33, 4845576), (36, 4441778), (44, 3634182), (66, 2422788), (72, 2220889), (88, 1817091), (99, 1615192), (101, 1583208), (132, 1211394), (198, 807596), (202, 791604), (264, 605697), (303, 527736), (396, 403798), (404, 395802), (606, 263868), (792, 201899), (808, 197901), (909, 175912), (1111, 143928), (1212, 131934), (1818, 87956), (1999, 79992), (2222, 71964), (2424, 65967), (3333, 47976), (3636, 43978), (3998, 39996), (4444, 35982), (5997, 26664), (6666, 23988), (7272, 21989), (7996, 19998), (8888, 17991), (9999, 15992), (11994, 13332)]